Predictive Validity of <i>ICD‐11</i> PTSD as Measured by the Impact of Event Scale‐Revised: A 15‐Year Prospective Study of Political Prisoners

Hyland, Philip; Brewin, Chris R.; Maercker, Andreas

doi:10.1002/jts.22171

Cited by 33 publications

(35 citation statements)

References 36 publications

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“…Furthermore, patients with PTSD 24 years after the war are certainly a population with chronic and enduring symptoms and personal suffering, which also increases the risk for development of the DSO symptoms. This result is in concordance with the results from other studies conducted in treatmentseeking samples from different but predominantly Western countries (Cloitre et al, 2018;Hyland, Brewin, & Maercker, 2017b;Hyland et al, 2017a;Karatzias et al, 2016;Nickerson et al, 2016). Although a different measurement for assessment was used (the Structured Interview for Disorder of Extreme Stress -SIDES-SR), a high prevalence (43%) of CPTSD was found in a similar sample, in a study conducted 10 years before this one (Nemčić-Moro, Frančišković, Britvić, Klarić, & Zečević, 2011).…”

Section: Discussionsupporting

confidence: 90%

Complex PTSD among treatment-seeking veterans with PTSD

Letica-Crepulja

Stevanović

Protuđer

et al. 2020

European Journal of Psychotraumatology

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Background: In the ICD-11 hierarchical classification structure, posttraumatic stress disorder (PTSD) and complex PTSD (CPTSD) are separate and distinct but also 'sibling' disorders, meaning that the diagnoses follow from the parent category of traumatic stress disorders. Objective: The aim of this study was to examine the prevalence of CPTSD in treatmentseeking war veterans with PTSD more than 20 years after the exposure to cumulative warrelated trauma(s). The second aim was to examine if there was an association between demographic and psychosocial variables and CPTSD or PTSD. Method: A sample of 160 male war veterans with PTSD referred to the outpatient service of the PTSD Referral Centre at the Clinical Hospital Centre (CHC) Rijeka participated in a crosssectional study. Psychiatric comorbidity was assessed using the Mini-International Neuropsychiatric Interview (MINI) and participants completed validated self-report measures: The Life Events Checklist for DSM-5 (LEC-5), International Trauma Questionnaire (ITQ). Results: In total, 80.63% of the sample met criteria for a probable diagnosis of CPTSD. The study revealed that there was no significant difference in the length of deployment, in the intensity of the PTSD symptoms, types of trauma exposure and pharmacotherapeutic treatment between PTSD and CPTSD group. It was found that veterans with PTSD were more likely to be divorced and to participate in PTSD clubs. On the other hand, veterans with CPTSD were significantly more likely to have higher levels of functional impairment and comorbidity with general anxiety disorder (GAD) compared to the PTSD group. Conclusions: This study supports the proposition that a prolonged trauma of severe interpersonal intensity such as war is related to high rates of CPTSD among treatmentseeking veterans, years after the war. The distinction between PTSD and complex PTSD may help the selection of person-centred treatment interventions that would target specific mental health and functional problems in patients.

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Section: Discussionsupporting

confidence: 90%

Complex PTSD among treatment-seeking veterans with PTSD

Letica-Crepulja

Stevanović

Protuđer

et al. 2020

European Journal of Psychotraumatology

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“…Moreover, the fit was equally good for men and women. Similar support for the 3factor ICD-11 model was found in a study of former German political prisoners, using the Impact of Event Scale -Revised (Weiss & Marmar, 1996) to model ICD-11 PTSD (Hyland, Brewin, & Maercker, 2017). In this sample the three-factor model provided an excellent representation of the data, but a one-factor model and the two-factor model of Forbes et al (2015) were rejected as poor representations of the data.…”

Section: Factor Structuresupporting

confidence: 73%

A review of current evidence regarding the ICD-11 proposals for diagnosing PTSD and complex PTSD

Brewin

Cloitre

Hyland

et al. 2017

Clinical Psychology Review

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417

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The World Health Organization's proposals for posttraumatic stress disorder (PTSD) in the 11th edition of the International Classification of Diseases, scheduled for release in 2018, involve a very brief set of symptoms and a distinction between two sibling disorders, PTSD and Complex PTSD. This review of studies conducted to test the validity and implications of the diagnostic proposals generally supports the proposed 3-factor structure of PTSD symptoms, the 6-factor structure of Complex PTSD symptoms, and the distinction between PTSD and Complex PTSD. Estimates derived from DSM-based items suggest the likely prevalence of ICD-11 PTSD in adults is lower than ICD-10 PTSD and lower than DSM-IV or DSM-5 PTSD, but this may change with the development of items that directly measure the ICD-11 re-experiencing requirement. Preliminary evidence suggests the prevalence of ICD-11 PTSD in community samples of children and adolescents is similar to DSM-IV and DSM-5. ICD-11 PTSD detects some individuals with significant impairment who would not receive a diagnosis under DSM-IV or DSM-5. ICD-11 CPTSD identifies a distinct group who have more often experienced multiple and sustained traumas and have greater functional impairment than those with PTSD.

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“…Following the work of Brewin et al (2009), and aligned with the goal of ICD-11 to maximize clinical utility (First et al, 2015), a six-symptom model of PTSD has been proposed and widely validated (e.g. Forbes et al, 2015; Hansen, Hyland, Armour, Elklit, & Shevlin, 2015; Hyland, Brewin, & Maercker, 2017; Tay, Rees, Chen, Kareth, & Silove, 2015). Consequently, the ICD-11 model is more parsimonious compared to the model of PTSD proposed by the DSM-5 (APA, 2013).…”

Section: Discussionmentioning

confidence: 99%

A psychometric assessment of Disturbances in Self-Organization symptom indicators for ICD-11 Complex PTSD using the International Trauma Questionnaire

Shevlin

Hyland

Roberts

et al. 2018

European Journal of Psychotraumatology

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Background: Two ‘sibling disorders’ have been proposed for the 11th version of the International Classification of Diseases (ICD-11): Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD). To date, no research has attempted to identify the optimal symptom indicators for the ‘Disturbances in Self-Organization’ (DSO) symptom cluster. Objective: The aim of the current study was to assess the psychometric performance of scores of 16 potential DSO symptom indicators from the International Trauma Questionnaire (ITQ). Criteria relating to score variability and their ability to discriminate were employed. Method: Participants (N = 1839) were a nationally representative household sample of non-institutionalized adults currently residing in the US. Item scores from the ITQ were examined in relation to basic criteria associated with interpretability, variability, homogeneity, and association with functional impairment. The performance of the DSO symptoms was also assessed using 1- and 2-parameter item response theory (IRT) models. Results: The distribution of responses for all DSO indicators met the criteria associated with interpretability, variability, homogeneity, and association with functional impairment. The 1-parameter graded response model was considered the best model and indicated that each set of indictors performed very similarly. Conclusions: The ITQ contains 16 DSO symptom indicators and they perform well in measuring their respective symptom cluster. There was no evidence that particular indicators were ‘better’ than others, and it was concluded that the indicators are essentially interchangeable.

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Predictive Validity of ICD‐11 PTSD as Measured by the Impact of Event Scale‐Revised: A 15‐Year Prospective Study of Political Prisoners

Cited by 33 publications

References 36 publications

Complex PTSD among treatment-seeking veterans with PTSD

Complex PTSD among treatment-seeking veterans with PTSD

A review of current evidence regarding the ICD-11 proposals for diagnosing PTSD and complex PTSD

A psychometric assessment of Disturbances in Self-Organization symptom indicators for ICD-11 Complex PTSD using the International Trauma Questionnaire

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